en masse [en mas′, än-; Fr än mȧs′]
En masse is defined as something is done collectively, or that it is done all at the same time or all together.
An example of en masse is when a concert ends and the entire audience all tries to exit the stadium at the same time.
People leaving a building en masse.
en masse definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
in a group; as a whole; all together
Origin: French literally , in mass
en masse definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
In one group or body; all together: The protesters marched en masse to the capitol.
Origin: French : en, in + masse, mass.
en masse - Cultural Definition
The New Dictionary of Cultural Literacy Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A French phrase meaning “in a large body”: “The protesters left en masse for the White House.”
en masse - Phrases/Idioms
In one group or body; all together. For example, The activists marched en masse to the capitol. This French term, with exactly the same meaning, was adopted into English about 1800.